Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Relay Node Selection Scheme for EH-WSN Routing considering Data Urgency

EH-WSN 라우팅에서 데이터의 긴급성을 고려한 중계노드 선택기법

  • Kang, Min-Seung (Department of Electrical Electronic & Communication Engineering. KOREATECH) ;
  • Park, Hyung-Kun (Department of Electrical Electronic & Communication Engineering. KOREATECH)
  • Received : 2020.06.06
  • Accepted : 2020.06.19
  • Published : 2020.08.31
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Abstract

In the EH-WSN(Energy Harvesting Wireless Sensor Network), the routing protocol must consider the power condition of nodes such as residual power and energy harvesting rate. Many EH-WSN studies have emphasized the power aspect and make the urgency of sensed data less important. However, in applications such as environmental monitoring, stability and latency become more important issues than power efficiency for urgent data. In this paper, we designed a routing protocol that can set path according to data urgency. To this end, relay nodes are determined considering the urgency of date. Nodes with poor power do not participate in routing when normal data is generated, so that urgent data can be transmitted reliably with low latency. The performance of the proposed routing protocol is analyzed by computer simulation.

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References

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